Scientists will eventually stop flailing around with solar power and focus their efforts on harnessing the only truly unlimited source of energy on the planet: stupidity. I predict that in the future, scientists will learn how to convert stupidity into clean fuel.

We're all dumber than we think

There's something darkly honest in this joke that lands because we've all felt it. We watch people make the same preventable mistakes, hold onto beliefs that crumble under five seconds of thought, or actively work against their own interests. It's exhausting to witness. Adams is tapping into that real frustration—if only all that wasted mental energy could power our phones.

But here's the twist: the quote works as social commentary precisely because stupidity isn't actually infinite. It's not some mysterious force. Most "stupid" decisions are just people operating with incomplete information, fear, tribal instincts, or the simple weight of being tired. A sleep-deprived parent makes poor choices. A person in financial panic makes impulsive ones. Someone trusting the wrong source doesn't suddenly become dumb. The recurring mistakes we blame on stupidity are often just humanity doing what humans do under pressure.

What makes this observation stick is that it redirects our irritation outward when the real problem might be closer. We're all part of systems that exhaust rational thinking. The joke is funny partly because it's easier to laugh at hypothetical stupidity than to ask why we—all of us—struggle so often to be as smart as we actually are.